Analytical (or performance) cookies track and gather data about what a user does on a website. These cookies are not essential for our website or its functionality to work. We use the following analytical cookies on our website: We use Google Analytics cookies on our website. Google Analytics cookies help us understand how you engage and interact with our website, including how you came to our website, which pages you visited, for how long and what you clicked on and your location (based on your IP address). The Google Analytics cookies used on our website are: _ga, @@History/@@scroll|# and _gid. These cookies are session and persistent cookies. These cookies expire after 24 hours in the case of _gid and 2 years in the case of _ga. _gat is a session cookie. The information we collect using Google analytics cookies is aggregated and anonymised.